Elastic deformation is an important influential factor of indexing accuracy and loading capacity of end-tooth indexing table with drum tooth.
齿廓弹性变形是影响鼓形齿端齿盘精度和承载能力的重要因素。
2
Through case study, find the bronze drum can use in the locality for a long time, there is connection that can't be isolated with the local unique ecological environment and culture factor.
通过个案研究，发现铜鼓在当地之所以能够长期使用，与当地独特的生态环境和文化因素有着紧密的联系。
3
This article USES the microscopic analysis method, Carries on the thorough discussion to a boiler drum break of accident cause factor, Seeks its origin, Proposes solution, For boiler safe operation?